O'day, E. F. (1971). Programmed instruction: Teacniques and trends.
Chicago Edition CitationO'day, Edward F. Programmed Instruction: Teacniques and Trends. 1971.
MLA Edition CitationO'day, Edward F. Programmed Instruction: Teacniques and Trends. 1971.
Warning: These citations may not always be 100% accurate.